local _M = {}
_M._VERSION = "1.0"

local mt = {__index = _M}

function _M.new(self, width, height)
    return setmetatable({width=width, height=height}, mt)
end

function _M.get_square(self)
    return self.width * self.height
end

function _M.get_circuference(self)
    return (self.width + self.height) *2
end
return _M

